Global Patent Index - EP 2868688 A4

EP 2868688 A4 20150520 - POLYESTER FILM

Title (en)

POLYESTER FILM

Title (de)

POLYESTERFOLIE

Title (fr)

FILM DE POLYESTER

Publication

EP 2868688 A4 20150520 (EN)

Application

EP 13841399 A 20130925

Priority

  • JP 2012214141 A 20120927
  • JP 2013075808 W 20130925

Abstract (en)

[origin: EP2868688A1] It is provided that a polyester film containing a polyester resin obtained by recycling PET bottles and having high lamination strength and slight unevenness in thickness. A biaxially stretched polyester film comprising 50 wt.% or more and 95 wt.% or less of a polyester resin obtained by recycling PET bottles, wherein the content of an isophthalic acid component in all dicarboxylic acid components in the entire polyester resin composing the polyester film is 0.5 mol% or more and 5.0 mol% or less, and the polyester satisfy the specific intrinsic viscosity, the specific thermal shrinkage rate, the specific refractive index in the thickness direction, and the specific unevenness in thickness.

IPC 8 full level

C08J 5/18 (2006.01); B29C 55/14 (2006.01); B29K 67/00 (2006.01); B29L 7/00 (2006.01)

CPC (source: EP KR US)

B29C 55/14 (2013.01 - EP KR US); C08J 5/18 (2013.01 - EP KR US); C08L 67/02 (2013.01 - KR); B29K 2067/003 (2013.01 - EP KR US); B29K 2105/26 (2013.01 - EP KR US); C08J 2367/02 (2013.01 - EP KR US); C08J 2367/03 (2013.01 - EP KR US); C08L 2207/20 (2013.01 - KR)

Citation (search report)

Designated contracting state (EPC)

AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

Designated extension state (EPC)

BA ME

DOCDB simple family (publication)

EP 2868688 A1 20150506; EP 2868688 A4 20150520; EP 2868688 B1 20160713; CN 104603186 A 20150506; CN 104603186 B 20160824; JP 2014111790 A 20140619; JP 5500327 B1 20140521; JP 6206260 B2 20171004; JP WO2014050844 A1 20160822; KR 101530840 B1 20150622; KR 20150017778 A 20150217; PL 2868688 T3 20170131; TW 201420315 A 20140601; TW I633993 B 20180901; US 2015259484 A1 20150917; US 9296868 B2 20160329; WO 2014050844 A1 20140403

DOCDB simple family (application)

EP 13841399 A 20130925; CN 201380046512 A 20130925; JP 2013075808 W 20130925; JP 2013546121 A 20130925; JP 2014046242 A 20140310; KR 20157002481 A 20130925; PL 13841399 T 20130925; TW 102134726 A 20130926; US 201314418273 A 20130925